there was a private funeral for officer collier yesterday, but this is again a more public affair. 10,000 people not only those in the m.i.t. community, but law enforcement officials from all other the country. he was involved in much more than law enforcement. he was involved with the ambulance service on campus. he helped out organizations that were fighting cancer. someone who everyone has something good to say about today. getting the spotlight shined on his life and all the kacauses h supported. >> he will be remembered by a medal in his honor. >> reporter: mit saying they have set up a fund. this fund will support the collier medal. this is something that will be handed out to individuals who sort of have his kind of values and support the kind of causes he has supported. this is something they want to establish so it will more than just a tragedy that is the center of his life. >> dan lothian, over at white house for us. we'll have coverage of the memorial service. >>> just ahead here in the "cnn newsroom," we're going to introduce you to a man who survived the boston terror attack